A solution contains 0.0653 g of a compound in 8.31 g of ethanol. The molality of the

Question:

A solution contains 0.0653 g of a compound in 8.31 g of ethanol. The molality of the solution is 0.0368 m. Calculate the molecular mass of the compound.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

General Chemistry

ISBN: 978-1439043998

9th edition

Authors: Darrell Ebbing, Steven D. Gammon

See More Books

Question Posted: Mar 01, 2016 04:27 AM

See More Questions

A solution contains 0.675 g of ethylamine, C2H5NH2, per 100.0 mL of solution. Electrical conductivity measurements at 20C show that 0.98% of the ethylamine has reacted with water. Write the equation...
A solution contains 0.00750 M calcium ion. A concentrated sodium fluoride solution is added to precipitate calcium fluoride (assume no volume change). a. At what concentration of F does precipitate...
A solution contains 0.0150 M lead(II) ion. A concentrated sodium iodide solution is added to precipitate lead iodide (assume no volume change). a. At what concentration of I does precipitate start to...
If a ij is symmetric and b ij is antisymmetric, prove in general that the product a ij b ij is zero. Verify this result for the specific case by using the symmetric and antisymmetric terms from...
Adams is planning to issue $ 520,000 of 6%, five-year bonds payable to borrow for a major expansion. The owner, Shane Adams, asks your advice on some related matters. Requirements 1. Answer the...
Each of the four Java functions given here returns a string of length $n$ whose characters are all $x$. Determine the order of growth of the running time of each function. Recall that...
Explain the liquidity preference theory.
Hermosa, Inc. produces one model of mountain bike. Partial information for the company follows: Required: 1. Complete the table. 2. Calculate Hermosas contribution margin ratio and its total...
Mr. Mutwiri opened a business in Meru town at the beginning of the year. During the first month of operation the following transactions were completed. 2014. January 1 Deposited sh 20,000 in the bank...
The Klein Department Stores, Inc. chief executive officer (CEO) has asked you to compare the company's profit performance and financial position with the averages for the industry. The CEO has given...
A 0.0182-g sample of an unknown substance was dissolved in 2.135 g of benzene. The molality of this solution, determined by freezing-point depression, was 0.0698 m. What is the molecular mass of the...
Safrole is contained in oil of sassafras and was once used to flavor root beer. A 2.39-mg sample of safrole was dissolved in 103.0 mg of diphenyl ether. The solution had a melting point of 25.70C....
Two different brands of latex paint are being considered for use. Drying time in hours is being measured on specimen samples of the use of the two paints. Fifteen specimens for each were selected and...
In the CRISPR-Cas system, what does tracrRNA bind to? a. crRNA and Cas1 protein b. crRNA and Cas2 protein c. crRNA and Cas9 protein d. Cas1 and Cas2 proteins
Which of the following statements about paramutation is false? a. A paramutagenic allele can alter the expression of paramutable allele. b. A paramutagenic allele has a lower level of expression than...
Heterochromatin is characterized by which of the following? a. Higher level of compaction b. Silencing of gene transcription c. Localization at the periphery of the cell nucleus d. All of the above...
The fourth codon in an mRNA is GGG, which specifies glycine. Assuming that no amino acids are removed from the polypeptide, which of the following statements is correct? a. The third amino acid from...
Regulatory transcription factors can be modulated by a. the binding of small effector molecules. b. protein-protein interactions. c. covalent modifications. d. any of the above.
Unlike small selective colleges that pay close attention to personal statements, teacher recommendations, etc., large, public state university systems primarily rely on a students grade point average...
Is that Yelp review real or fake? The article A Framework for Fake Review Detection in Online Consumer Electronics Retailers (Information Processing and Management 2019: 12341244) tested five...
The amino acid glycine (NH 2 CH 2 CO 2 H, denoted Hgly) binds as an anion and is a bidentate ligand. Draw and name all possible isomers of [Co(gly) 3 ]. How many isomers are possible for the compound...
We have seen that complex formation can stabilize oxidation states. An important illustration of this fact is the oxidation of water in acidic solutions by Co 3+ (aq) but not by [Co(en) 3 ] 3+ . Use...
A tabulation of formation constants lists the following log 10 K values for the formation of [Cu(NH 3 ) 4 ] 2+ : log 10 K 1 = 4.28, log 10 K 2 = 3.59, log 10 K 3 = 3.00, and log 10 K 4 = 2.18....
What percentage of the American opportunity tax credit may be refundable?
You want to buy a house. You have $50,000 saved for the down payment and can pay $2,000 per month on the mortgage. The 30-year mortgage interest rate is 9% per year (equal to 0.75% per month). What...
Compute the Social Security and Medicare for Paul, Alex, and Andrea. The rates are 6 . 2 % for Social Security and 1 . 4 5 % for Medicare. Assume the Social Security limit is $ 1 4 2 , 8 0 0 and the...

A solution contains 0.0653 g of a compound in 8.31 g of ethanol. The molality of the

Question:

Step by Step Answer:

Find the moles of the solute from the definitio...View the full answer

General Chemistry

Students also viewed these Physical Chemistry questions